C++ Program to declare the global class

Program - 

 

#include<iostream.h>

#include<conio.h>

class abc

{

private:

int rn;

public:

void read ()

{

cout<<"\n enter the rollno";

cin>>rn;

}

void display()

{

cout<<"\n rollno is"<<rn;

}

};

class abc m1;

void main()

{

class abc m2;

void fun1();

m1.read();

m1.display();

m2.read();

m2.display();

fun1();

}

void fun1(void)

{

class abc m3;

m3.read();

m3.display();

}

 

Output :

Output :

 enter the rollno 3

 rollno is 3

 enter the rollno 4

 rollno is 4

 enter the rollno 6

 rollno is 6